LTC2977IUP#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2977IUP#TRPBF is an 8-channel PMBus power system manager designed for accurate output voltage measurement and regulation. It operates within a supply voltage range of 3.13 V to 15 V, with a typical operating current of 10 mA. The device supports high or low-side sensing configurations and is housed in a 64-pin QFN package (9x9 mm). It functions reliably across an extended industrial temperature range from -40°C to +105°C.

Power Supply Controllers, Monitors Feature Summary

• Integrates eight independent channels for comprehensive power system monitoring and control via the PMBus interface.
• Provides precise output voltage measurement capabilities to ensure accurate regulation of multiple power rails.
• Supports flexible current sensing through configurable high-side or low-side detection methods.

Power Supply Controllers, Monitors Applications

• Multi-rail power management in server and storage systems
• Power system monitoring for FPGA and ASIC platforms
• Automotive electronics requiring robust power supervision

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the I-grade designation aligns with the required extended industrial temperature range specifications for your application environment. Ensure compatibility with existing PMBus controller logic before integration.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems requiring simultaneous monitoring of up to eight distinct power rails. Consider its wide input voltage capability and industrial temperature rating for demanding environments. Evaluate the need for high-accuracy voltage measurement features inherent to this model compared to standard regulators.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2977 series of digital power system managers from Analog Devices. It complements other devices like the LTC2972 and LTC2974 by offering expanded channel capacity. The series focuses on providing detailed visibility and control over complex power architectures through standardized communication protocols.

Power Supply Controllers, Monitors FAQ

Does the IUP suffix indicate a change in electrical function?

No, the suffix primarily denotes the package type and manufacturing lot details; the core electrical functionality remains consistent with the base LTC2977 specification.

What is the maximum supply voltage supported?

The device supports a maximum supply voltage of 15 V, allowing it to monitor higher voltage rails directly.